"compress" Search Results

Official-account cover 900×383, body images 1080px wide, how to split a Moments grid, why chat images look blurry… This article collects WeChat's size and size-limit rules per scenario with compression tips.

Application systems cap files at 100KB, WeChat covers at 2MB, ID photos at 50KB… How do you hit different size limits in one pass? This guide gives a general approach and parameter tips for compressing to a target size.

Image search brings steady long-tail traffic. From filenames, alt text, dimensions, WebP, lazy loading and structured data, this article gives an actionable image-SEO checklist.

Adding a watermark before sending contracts, quotes or internal docs reduces careless forwarding. This article covers wording that deters misuse, opacity and tiling, and why the file grows after watermarking.

TIFF is the standard for print and scanning; AVIF is a new high-compression format—both often fail to open in browsers and chat apps. This article covers when to use each and how to avoid quality/color drift when converting to JPG.

GIFs easily hit ten-odd MB—too big to send and slow to load. This article explains the trade-offs of palette colors, dimensions and frame dropping, with a preset that takes 10MB down to 2MB.

The most common video-to-GIF failure is a tens-of-MB file you can't send. This article uses concrete numbers to show how frame rate, width and duration combine to set GIF size, with different presets for chat emojis vs tutorial clips.

You only need a few pages of a long PDF, or want each scanned page as its own file. This article explains page split vs extract, how to merge back, and scan-splitting caveats.

When merging ID cards, contracts, invoices or homework into PDF, the usual problems are wrong order, oversized files and print cropping. This article covers order control, page-size choice and size compression.

iPhones shoot HEIC by default—Windows can't open it, application systems reject it, and WeChat often mangles originals. This article explains what HEIC is, why convert to JPG, and how to keep quality during conversion.

ID cards, social security, diplomas, résumés and visas each require different background colors. This article maps white, blue and red backgrounds to common documents, with tips on preserving hair edges when changing color.

Which sizes belong in favicon.ico, why you should also ship an SVG and a 180×180 touch icon, and why the tab icon sometimes shows as a blank block—all explained here.

The same image can be 5× smaller as JPG, PNG or WebP. This article explains how each format compresses, transparency support and browser compatibility, with a recommendation on which to pick.

Taobao main image 800×800, JD 800×800, Pinduoduo 750×750, detail width 750px. This article collects each platform's specs and gives steps to batch-resize uniformly.

1-inch 295×413, 2-inch 413×626, small 1-inch 260×378… This article lists common ID photo pixel and mm sizes, with notes on changing background color and hitting a target KB.